Oil-well pump



Dec. 11 1923. 1,477,217

J. s. FELIZ J OIL- WELL PUMP j Original" Filed April 4. 1921 4 Sheets-Sheet 1 v Dec. 11 1923.

.L S.I=ELJZ OIL WELL- PUMP Original Filed April 4, 1921 4 Sheets-Sheet 2 Dec. 11 1923. 1,477,217 J. S. FELIZ OIL WELL PUMP Oflginal Filed April 4. 1921 4 Sheets-Sheet 3'" Dec. 11, 1923. 1,477,217:

J. S. FELIZ OIL WELL PUMP Original Filed April 4. 1921 4 Sheets-Sheet 4 Patented Dec. 11,

MJLZN came srarasearanr smear JOSEPH SILVANO rELI'z, or CONCEPCION, CALIFORNIA.

OIL-WELL rump.

Application filed April 4; 1921, Serial No. 458,216. Renewed April 27, 1923.

To all whom it may concern:

Be it known that I, JOSEPH S. FELIz, a citizen of the United States, residing at Concepcion, int-he county of Santa Barbara and State of California, have invented certain new and useful Improvements in Oil-Well Pumps, of which the following is a specification.

This invention relates to oil well pumping apparatus and has as one of its primary ob ects to provide an apparatus which will be especially adapted for pumping oil from wells which have a tendency to sand up or which produce very thick oil.

Another object of the invention is to provide a pumping apparatus which will be highly efiicient n its operation and which will elevate the oil in a steady and positive manner and with the application of the mlnlmum power.

Another object of the invention is tio provide an oil pumping apparatus so constructed that the same will not be liable to become clogged even where a comparatively thick oil is delivered by the well. I

Another object of the invention is to provide a novel construc ion and arrangement of stand values.

" In the accompanying drawings:

'Figure 1' is a perspective view of an apparatus embodying the invention;

Figure 2 is a detail vertical longitudinal sectional view through the lower end of the well tubing and the associated parts of the pumping apparatus;

F igure 3 1s a horizontal sectional view on the line 3-3 of Figure 2 looking in a downward direction;

Figure at is a similar view on the line 4-4 of Figure 2 looking in a downward direction; a

Figure 5 is a similar 5-5 of Figure '2;

Figure 6 is a perspective view of one of the standing valves and the associated parts;

Figure? is a detail vertical sectional view through a part of the apparatus.

view on the line In thedrawings, the numeral 1 indicates a Samson post upon which is mounted the usual walking beam indicated by the nu-4 meral 2. A shaft 3 is, mounted in juxta position to the Samson; post 1' and carries a pulley} to which'power is applied by a belt 5 driven fromi any suitable prime mover,

A pitman 6 connects one end of the walking beam 2 with a crank pin 7 upon the pulley 4 and provides for the transmission of power from the shaft 3 to the walking beam 2. The usual temper screw 8 is connected with the other end of the walking beam 2 and has the usual swivel 19 connected in the usual manner with the sucker rod 10 operating in the well tubing which is indicated by the numeral 12, The structure above I described is that ordinarily found in oil presently be explained. In order that rotary v motion may be imparted continuously to the rod 10 a system of gearing is provided between the said rod and the shafts 3 andwill now be described. The numeral 13 indicates a bevel'pinion which is provided with a key or spline 14 slidably engaging in a keyway 15 formed in the rod 10, the pinion beingheld between roller bearings 16 and 17 carried by the spaced members.

18 and 19 of a supporting structure 20 through which the rod 10 reciprocates. A shaft 21 is mounted in suitable pedestal bearings 22 located opposite the rod 10 and a bevel gear 23 is fixed upon the shaft and meshes with the pinion 13. A fly wheel 24 is likewise fixed upon the shaft 21 as is also a sprocket 26 is trained a out the gear and to a sprocket gear 27. fixed upon a shaft 28 counter to the shaft 21 and located between ar 25, and a sprocketchain the same and the shaft 3. A sprocket 29" 'is'likewise fixed upon the shaft 28, and ,a

sprocket chain- 30is tralned about the gear .29'and about a gear 31 which isloosely mounted upon the shaft 23 but adapted to be clutched thereto by any suitable clutch device 32 capable of manual operation so that the rotating means for the rod 10 may be thrown into gear whenever required and likewise thrown out ofgearwhen the ocecasion'arises. The sucker rod 11 1 s formed-m-sectlons as usual and the sections may be of any required number and length and the lowermost one of these sections is .indicated in the drawings by the' numeral 33 and is formed with an'axially extending'bore 34 and provided with a flared lower end 35,

the bore being designed to receive a guiding rod or stem 36 as illustrated in Flgure 2 of the drawings and the flared end providing means whereby the end of the said guiding rod or stem may be guided with certaint rod is owered into the well tubing. -The said guiding rod or stem will presently be more specifically described.

At suitable intervals 1n its length, for

example every one hundred feet or so, the.

length of its lower part with a packing 40' of asbestos applied and secured to the outer surface of the upstanding flange 39. It will now be evident that upon reciprocation of the sucker rod, the several screws will act as pistons to create a suction in the well tubing, and, simultaneously the rotation of the sucker rod during its reciprocatory motion will result in the sections acting upon the column of oil in the .well tubing to elevate the same. Thus the apparatus is designed to act in a highly effective manner in elevating the oil within the well tubing even though there be a tendency for the well to sand up or the oil produced be relatively thick.

The oil drawn into the well tubing through the lower end thereof is trapped by an arrangemennof stand valves which will now be described. The numeral 41 indicates a cap which is provided with a threaded flange 42 adaptin the cap to be fitted onto the end of the well said tubing.- This cap constitutes a support for the cage of. the stand valves and each of said valves is indicated in general by the numeral 43 and comprises a cage consisting of lower and upper heads 44 and 45 .connected in spaced, relation by bars 46. The head 44 is provided with a reduced exteriorly threaded extension 47 projecting from its lower end and'fitted through an opening 48 formed in the cap 41, a nut 49 being 'thre'aded onto the extension and bearing against the under side of the cap, the lower end of the head 44 resting upon the upper side of thecap. In this manner the cage is secured in upright position upon the cap,

into the bore 34 when the sucker tubing and thus close the I and the head 44 of the cagefis formed with a passage 50 extending axially therethrough and terminating at its upper end in a valve seat 51 upon which normally rests; a ball valve 52 confined by the bars 46 of the cage, the valve being adapted to lift from its seat upon inrush of oil into the well tubing and to close in the event there is any momentary or prolonged cessation of the suction force created by the reciprocation of the Archimedean screws. The head 45 of each cage is likewise provided with a reduced threaded extension indicated by the numeral 53 and this extension is fitted through an opening 54 formed in a circular plate 55, this plate resting upon the upper end of the head 45, and a nut 56 being threaded onto the ex tension and bearing upon the upper side of the plate. The plate fits snugly within the well tubing and serves to maintain the upper ends of the valve cages suitably spaced and properlywelatively positioned.

A passage 57 is formed axially in the head 55 so that the oil which has entered through the passage 50 in the head 44 may pass into the lower portion of the well tubing 12 where it is trapped.

The guide rod or stem 36 hereinbefore referred to is provided with a reduced threaded lower end 58 fitted through an opening 59 formed centrally in the cap 41, and a nut 60 is threaded on to this end of the rod and serves to anchor the same to the cap, the rod extending perpendicularly from the cap and concentric to the series of stand valves and through an opening 61 formed centrally in the plate 55, the' upper portion of the rod projecting into the bore 34 of the sucker rod section 33 so as to guide the section in its movement and thus guide the lower end 0 the sucker rod as a whole.

In order that oil may pass freely into the well tubin past the plate 55, the said plate is preferaIily formed! as for example at points between the openings 54 which receive the upper ends of the valve cages, with openings 62.

Having thus described the invention, what is claimed as new is:

1. In pumping apparatus, a tubing, a helical piston operating therein, and means operating to reciprocate and rotate said piston.

2. In pumping apparatus, a tubing, j a helical piston operating therein, and means operating to simultaneously reciprocate and rotate said piston.

3. In pumping apparatus, a tubing, a pump rod extending into the tubing, a helical piston carriedby the said rod and fitting the tubing, and means operable to simultaneously reciprocate and rotate the said rod.

4. In pumping apparatus, a, tubing, a pump rod operating inthe tubing, helical pistons carried by the rod, means for reciprocating the rod, a gear through which the ing-the gear during reciprocation of the rod.

5. In pumping apparatus, the combina;

tion 'with a tubing, a pump rod extending into the tubing, a'walking beam for reciproeating the rod and means 'for operating the walking rod is slidably fitted, and means for rotat-' be beam, ofmeans operated by the am operating means for rotating the rod, 10

and a helical piston carried by the rod.

In testimony whereof I aflix my signature. JOSEPH SILVANO FELIZ. 1.1.] 

